html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden; /* 禁用滚动条 */
    font-family: "Microsoft YaHei", sans-serif;
}
:root{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    color: #333333;
    font-size: 1rem;
    font-family: "Times New Roman", serif;
}